Pistorius has invoked his faith during the trial. He has been seen fingering a rosary during the trial and underlining sections of a religious book.

When he was on the stand, Pistorius called Steenkamp "a very good Christian." "She would pray about my traveling and all of the small things in my life," he said through tears as he broke down crying during testimony in April.

"My religion is what's gotten me through this last year... my God is my refuge," he told the court.

Final arguments in Pistorius' trial are scheduled for Aug. 7 and 8. If convicted of the most serious charge Pistorius could be sentenced to at least 25 years in prison.